Akrapovic Yamaha 09 R1 Race Full Exhaust. Akrapovic Racing systems are designed for riders who demand maximum performance from their motorcycle. This systems is significantly lighter if compared to stock exhaust system and feature exceptional production quality, hi-tech materials and of course increased engine performance combined with pure racing sound output. The Akrapovic Racing systems were developed to complement the racing character of the R1. This Racing system uses stainless steel header tubes and link pipe. McCoy Motorsports offers titanium or carbon-fiber mufflers for each combination